Dog washing mat



FIG. 1 is a isometric view of the portable dog washing mat, which embodies my design;

FIG. 2 is a isometric view of the portable dog washing mat;

FIG. 3 is a top plan view of the portable dog washing mat;

FIG. 4 is a right side view of the portable dog washing mat; and,

FIG. 5 is a rear view of the portable dog washing mat.

Elements in broken line are not claimed. 

The ornamental design for a dog washing mat, as shown and described. 